2 problems that I need help on please...?

Question:1. Find the distance between (–4, 0) and (–5, –3) using the Distance Formula.

2. Simplify:
(6 + square root 3) (6 - square root 3)

Answers:
well the distance formula is the

square root [(x2-x1)squared + (y2-y1)squared]

in this case you would do

square root [ (-5 - -4)squared + (-3 - 0)squared]

simplified this would be:

square root [ ( -1)squared _+ (-3)squared]

this would equal the square root of 10

number 2:

http://img510.imageshack.us/img510/7858/...

i couldn't do this one without some paper and pencil : )


i hope this helps, but be sure to check your answers because i'm not sure if these are completley correct.
ahh...school didn't start for me, what kinda math is this? My brain is in summer now...sorry can't help!
try math.com
D = √(x2 – x1)2 + (y2 – y1)2

(-4, 0) (-5, -3)
(x1, y2) (x2 – y2)

D = √(-5 – -4)2 + (-3 – 0)2

D = √(-1)2 + (-3)2

D = √1+ 9

D = √10

SECOND ONE:
33 Using google calculator

This article contents is post by this website user, EduQnA.com doesn't promise its accuracy.



More Questions & Answers...
  • What is Chinese Cinderella all about? Character Studies and Relationship between the characters?
  • Grammar Help?
  • What is the range of this equation: y=I x-3 I ?
  • For those who have read "My Sister's Keeper" by Jodi Picoult, what is the message you got from it?
  • What kind of english do we use to talk about things that haven't happend yet?
  • Where can i get a list of conversion factors?
  • Quick Math Problems?
  • Please help!?!?!?!?
  • Copyright 2006-2009 EduQnA.com All Rights Reserved.